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Sav [38]
4 years ago
12

A giant mass of air that carries warm weather to regions of the earth?

Chemistry
1 answer:
Scilla [17]4 years ago
6 0
Continental air masses are characterized by dry air near the surface while maritime air masses are moist .Polar air masses are characterized by cold air near the surface while tropical air masses are warm or hot. Arctic air masses are extremely cold.
:::::::)
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How does food waste contribute to climate change?
m_a_m_a [10]

Answer:

When we waste food, we also waste all the energy and water it takes to grow, harvest, transport, and package it. And if food goes to the landfill and rots, it produces methane—a greenhouse gas even more potent than carbon dioxide.

Explanation:

3 0
4 years ago
N2+3H2—> 2NH3 What volume of NH3 at STP is produced if 25.0g of N2 is reacted with an excess of H2 ?
Butoxors [25]

Answer:

The answer to your question is 40 L of NH₃

Explanation:

Data

Volume of NH₃ = x

mass of N₂ = 25 g

mass of H₂ = excess

Balanced chemical reaction

                     N₂  +  3H₂   ⇒  2NH₃

Process

1.- Find the molar mass of N₂ and NH₃

N₂ = 14 x 2 = 28g

2NH₃ = 2[ 14 + 3] = 34 g

2.- Write a proportion to solve this problem

                    28 g of N₂ --------------- 34 g of NH₃

                     25 g of N₂ -------------   x

                     x = (25 x 34)/28

                     x = 30.36 g of NH₃

3.- Calculate the volume of NH₃

                     17 g of NH₃ -------------- 22.4 L

                     30.36 g of NH₃ --------  x

                     x = (30.36 x 22.4) / 17

                     x = 40 L

6 0
3 years ago
Decide whether a chemical reaction happens in either of the following situations. If a reaction does happen, write the chemical
iragen [17]

Answer: The chemical equations are given below.

Explanation:

A balanced chemical reaction follows law of conservation of mass.

This law states that mass can neither be created nor be destroyed but it can only be transformed from one form to another form. This also means that total number of individual atoms on reactant side must be equal to the total number of individual atoms on the product side.  

Single displacement reaction is defined as the reaction in which more reactive metal displaces a less reactive metal from its chemical reaction.

General equation representing single displacement reaction follows:

AB+C\rightarrow CB+A

C is more reactive element than element A.

The reactivity of metals is judged by the series known as reactivity series. Elements lying above in the series are more reactive than the elements lying below in the series.

  • 1. When solid lead metal is put in the beaker of 0.043 M Fe(NO_3)_2 solution.

Lead lies below in the reactivity series than iron. Thus, it will not replace iron from its chemical reaction.

Pb(s)+Fe(NO_3)_2(aq.)\rightarrow \text{No reaction}

  • 2. When solid iron metal is put in the beaker of 0.044 M Pb(NO_3)_2 solution.

Iron lies above in the reactivity series than lead. Thus, it will easily replace lead from its chemical reaction.

Fe(s)+Pb(NO_3)_2(aq.)\rightarrow Fe(NO_3)_2(aq.)+Pb(s)

Hence, the chemical equations are given above.

6 0
3 years ago
What motivated arrhenius to calculate how changes in carbon dioxide might affect the climate?
DerKrebs [107]
Arrhenius was seeking to understand the causes of ice ages. 
He was the first to use basic principles of  physical chemistry to calculate estimates of the extent to which increases in atmosphere carbon dioxide increases Earth's surface temperature through the Arrhenius effect. Arrhenius's paper was the first to quantify the contribution of carbon dioxide to the greenhouse effect and to speculate whether variations in the atmospheric concentration of carbon dioxide have contributed to long-term variations in climate.
4 0
4 years ago
How will you describe the difference between heat and temperature?
ZanzabumX [31]
Give the person above me brainless
3 0
3 years ago
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